[Freeswitch-users] TLS stops when a call is enabled

Aina Mestre aina.mestre at airenetworks.es
Tue Sep 27 06:41:59 UTC 2022

Good morning,

I have just corrected what you comment, but that didn’t solve my problem. My problem is that the SIP protocol is not encrypted so even if the RTP is encrypted, you can see all INVITE information on wireshark. I tryed to solve it adding in the dialplan
<action application="bridge" data="{${t38}}${mydialbridge};transport=tls"/>)

But the result I get is an error that says “TLS not supported by profile”

Thank you in advance

De: FreeSWITCH-users <freeswitch-users-bounces at lists.freeswitch.org> En nombre de Brian West
Enviado el: lunes, 26 de septiembre de 2022 17:33
Para: FreeSWITCH Users Help <freeswitch-users at lists.freeswitch.org>
CC: Pablo Pizarro <pablo.pizarro at airenetworks.es>
Asunto: Re: [Freeswitch-users] TLS stops when a call is enabled

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This is a variable:
 <param name='rtp_secure_media' value='mandatory: AES_CM_128_HMAC_SHA1_80'/>



On Mon, Sep 26, 2022 at 9:09 AM Aina Mestre <aina.mestre at airenetworks.es<mailto:aina.mestre at airenetworks.es>> wrote:
Good morning,

I’m trying to configure SRTP with TLS on Freeswitch. I already have SRTP, and I can establish a conversation with TLS, but when I make a call, it says “encrypted alert” and the TLS conversation stops sending the INVITE in TCP. I have been looking for some solutions and it states that the problema may be that the certificate is not properly configured or that TLS is not properly configured. It is imposible that the certificate has any problems because I currently get TLS untill the call starts.

Here it is the configuration on my profile:

        <param name='rtp_secure_media' value='mandatory: AES_CM_128_HMAC_SHA1_80'/>
        <param name='bind-params" value="tls"/>
        <param name='tls-version' value='tlsv1'/>
        <param name='register-transport' value='tls'/>
        <param name="register" value="false"/>
        <param name="transport" value="tls"/>
        <param name="tls" value="$${internal_ssl_enable}"/>
        <param name="tls-only" value="true"/>
        <param name="tls-bind-params" value="transport=tls"/>
        <param name="tls-sip-port" value="$${internal_tls_port}"/>
        <param name="tls-cert-dir" value="/usr/local/freeswitch/conf"/>
        <param name="tls-verify-date" value="true"/>
        <param name="tls-verify-policy" value="none"/>
        <param name="tls-version" value="$${sip_tls_version}"/>
        <param name="tls-ciphers" value="$${sip_tls_ciphers}"/>
        <param name="contact-params" value="tport=tls"/>
        <param name="ws-binding" value="XX.XX.XX.XX:5061"/>

Also, I would like to make another observation: when I configure the bridge has transport=TLS ( <action application="bridge" data="{${t38}}${mydialbridge};transport=tls"/>) in the dialplan, the debug says “TLS not supported by profile”

Thank you for taking the time to deal with my queries

Kind regards.


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